| Reference Type | Journal (article/letter/editorial) |
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| Title | Some aspects of the silver mineralization in the Hällefors region (Bergslagen, Sweden) |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | Jasinski, A. W. | Author |
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| Year | 1983 (December) | Volume | 47 |
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| Issue | 345 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_47/47-345-507.pdf+ |
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| DOI | doi:10.1180/minmag.1983.047.345.12Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 3565 | Long-form Identifier | mindat:1:5:3565:5 |
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| GUID | 0 |
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| Full Reference | Jasinski, A. W. (1983) Some aspects of the silver mineralization in the Hällefors region (Bergslagen, Sweden) Mineralogical Magazine, 47 (345) 507-514 doi:10.1180/minmag.1983.047.345.12 |
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| Plain Text | Jasinski, A. W. (1983) Some aspects of the silver mineralization in the Hällefors region (Bergslagen, Sweden) Mineralogical Magazine, 47 (345) 507-514 doi:10.1180/minmag.1983.047.345.12 |
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| In | (1983, December) Mineralogical Magazine Vol. 47 (345) Mineralogical Society |
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| Abstract/Notes | AbstractSulphide and sulphosalt mineralization in the Hällefors silver mining district occurs as stratabound bodies in skarn-like black carbonates and other carbonates in the eastern part of the district, and as epigenetic, tectonically controlled vein mineralization in tuffaceous metavolcanics and, to a lesser extent in slates, in the western part.Previous work has suggested that the Ag-bearing Hällefors deposits were formed by the action of metamorphic solutions on sediments of volcano-sedimentary origin. At the stages of sulphosalt and sulphide formation, temperature and pressure conditions were probably in the ranges 500–440 K and 4.5–3.5 kbar. Examination of a log aS2-1/T diagram and of Ag-Sb phase relations combined with study of the ores suggest the paragenesis of the Ag-bearing minerals is as follows: allargentum and dyscrasite as exsolution bodies in silver bearing galena; Ag-containing tetrahedrite → freibergite → miargyrite → pyrargyrite → stephanite (from hydrothermal solutions). |
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